Which Manhattan Project scientist won the betting pool to determine the explosive yield of the first atomic bomb?

Well, as humans are wont to do, those Manhattan Projectors laid out a little wagering action as to exactly how explosive said atomic gadget would turn out to be. So the question becomes: Who won the Trinity Test betting pool?

You can find out one of two ways:

Audio, via one of my appearances on TechTalk radio in Chicago (which includes some additional content about Chip Bell and John Patterson's new book Wired and Dangerous)